Version 5.13.3 is cited as the last version allowing certain root exploits. Updating beyond this may permanently close these vulnerabilities.
While there is no official tool to downgrade Pico 4 firmware for free, it is widely considered impossible through standard methods because Pico implemented downgrade protection in its operating system. Key Limitations and Community Findings Anti-Piracy & Region Locking pico 4 firmware downgrade free
The push for downgrading usually comes from issues introduced in newer versions (like 5.5.0 or 5.9.2): Anti-Piracy Measures: Version 5
Reviews and community discussions highlight several reasons why users regret updating and wish they could downgrade: Broken Features : Some updates (like 5.3.1) reportedly broke OpenXR APIs , causing issues with essential apps like Virtual Desktop and PPSSPP. Visual Artifacts pico 4 firmware downgrade free